20055860584655 has 8 divisors (see below), whose sum is σ = 27505180230432. Its totient is φ = 13752590115168.

The previous prime is 20055860584631. The next prime is 20055860584657. The reversal of 20055860584655 is 55648506855002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20055860584655 - 2⁸ = 20055860584399 is a prime.

It is a super-2 number, since 2×20055860584655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20055860584594 and 20055860584603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055860584657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286512294032 + ... + 286512294101.

It is an arithmetic number, because the mean of its divisors is an integer number (3438147528804).

Almost surely, 2^{20055860584655} is an apocalyptic number.

20055860584655 is a deficient number, since it is larger than the sum of its proper divisors (7449319645777).

20055860584655 is an equidigital number, since it uses as much as digits as its factorization.

20055860584655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573024588145.

The product of its (nonzero) digits is 57600000, while the sum is 59.

The spelling of 20055860584655 in words is "twenty trillion, fifty-five billion, eight hundred sixty million, five hundred eighty-four thousand, six hundred fifty-five".